Forums › Forums › HOME EXTENSION FORUM UK › Raft foundation for house extension, how much extra will it cost? › Reply To: Raft foundation for house extension, how much extra will it cost?
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Why do you need a raft? Have you got a geotechnical report or is there another reason?
Also, do you mean a ground bearing raft or a piled raft? The second will be considerably more expensive than people are telling you.